--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -30,8 +30,10 @@
 #ifndef __RTL_WIFI_H__
 #define __RTL_WIFI_H__
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/printk.h>
 #include <linux/sched.h>
 #include <linux/firmware.h>
 #include <linux/etherdevice.h>